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Electronic signatures for long-lasting storage purposes in electronic archives

Pharow, Peter ; Blobel, Bernd


Communication and co-operation in healthcare and welfare require a certain set of trusted third party (TTP) services describing both status and relation of communicating principals as well as their corresponding keys and attributes. Additional TTP services are needed to provide trustworthy information about dynamic issues of communication and co-operation such as time and location of processes, ...


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